I just purchased my first muzzel loader a T/C Impact. I drew an elk tag for the season that starts 9-1-12 this weekend. I'm using Barns 290 gr. sabots that have pellet tails. I'm using 120 gr of Blackhorn 209 powder. I know there isn't supposed to be a gap between the powder and the bullet but without the pellets the tails create a gap. Should I get flat based sabots or is there a noticeable difference in accuracy with unfilled tailed sabots? Also do Burris Fullfield II scopes with the BDC reticle work for muzzel loaders? Are the slashes on the reticle still usable?